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https://issues.apache.org/jira/browse/PIG-2078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036321#comment-13036321
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[email protected] commented on PIG-2078:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/763/
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Review request for pig and thejas.


Summary
-------

See PIG-2078


This addresses bug PIG-2078.
    https://issues.apache.org/jira/browse/PIG-2078


Diffs
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trunk/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/expressionOperators/POProject.java
 1100118 
  trunk/test/org/apache/pig/test/TestEvalPipeline2.java 1100118 

Diff: https://reviews.apache.org/r/763/diff


Testing
-------

Test-patch:
     [exec] +1 overall.  
     [exec] 
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec] 
     [exec]     +1 tests included.  The patch appears to include 3 new or 
modified tests.
     [exec] 
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
     [exec] 
     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
     [exec] 
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
     [exec] 
     [exec]     +1 release audit.  The applied patch does not increase the 
total number of release audit warnings.

Unit test:
    all pass

End-to-end test:
    all pass


Thanks,

Daniel



> POProject.getNext(DataBag) does not handle null
> -----------------------------------------------
>
>                 Key: PIG-2078
>                 URL: https://issues.apache.org/jira/browse/PIG-2078
>             Project: Pig
>          Issue Type: Bug
>    Affects Versions: 0.9.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.9.0
>
>         Attachments: PIG-2078-1.patch
>
>
> The following script fail with "-t MergeForEach"
> {code}
> a = load '1.txt' as (a0:bag{}, a1:int);
> b = foreach a generate a0;
> dump b;
> {code}
> 1.txt:
> {(1)}   2
>         3
> Error stack:
> java.lang.NullPointerException
>       at 
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject.consumeInputBag(POProject.java:310)
>       at 
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators.POProject.getNext(POProject.java:251)
>       at 
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.getNext(PhysicalOperator.java:316)
>       at 
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.processPlan(POForEach.java:332)
>       at 
> org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNext(POForEach.java:284)
>       at 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.runPipeline(PigMapBase.java:261)
>       at 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:256)
>       at 
> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase.map(PigMapBase.java:1)
>       at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
>       at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:621)
>       at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305)
>       at 
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:177)

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